/* MUSE concept site — light theme
   Palette and type follow the MUSE VI: warm grey #F5F2EE as the ground, navy #0A2A54 for type,
   orange #F26A21 as the accent, body grey #373A40, Noto Sans.
   The yellow and pink are the pixel bits from the logo. */

@font-face {
  font-family: "Noto Sans";
  src: url("../assets/fonts/NotoSans-VF.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62.5% 100%;
  font-display: swap;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../assets/fonts/NotoSansSC-subset.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --paper: #F5F2EE;
  --paper-2: #ECE7E0;
  --white: #FFFFFF;
  --navy: #0A2A54;
  --ink: #373A40;
  --ink-soft: rgba(55, 58, 64, .72);
  --orange: #F26A21;
  --orange-deep: #D9520F;
  --peach: #FDEBDD;
  --sky: #E9EFF8;
  --bit-yellow: #F2E418;
  --bit-pink: #EE2D8F;
  --line: rgba(10, 42, 84, .12);
  --line-strong: rgba(10, 42, 84, .2);
  --shadow: 0 30px 50px -36px rgba(10, 42, 84, .45);
  --wrap: 1240px;
  --gut: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --font: "Noto Sans", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; border-radius: 4px; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--orange); color: #fff; padding: 10px 16px; border-radius: 8px; transition: top .2s; }
.skip:focus { top: 12px; }
.wrap { width: min(100% - var(--gut) * 2, var(--wrap)); margin-inline: auto; }

/* ── type ── */
h1, h2 { font-stretch: 86%; font-weight: 750; letter-spacing: -.022em; line-height: 1.04; color: var(--navy); text-wrap: balance; }
h2 { font-size: clamp(34px, 4.6vw, 64px); }
h3 { font-size: 19px; font-weight: 650; line-height: 1.3; color: var(--navy); letter-spacing: -.005em; }
.eyebrow {
  display: flex; align-items: center; gap: 10px;
  font-size: 12.5px; font-weight: 650; letter-spacing: .16em; text-transform: uppercase;
  color: var(--navy); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; background: var(--orange); flex: none; }
.eyebrow b { font-weight: 750; color: var(--orange); }
.lede { font-size: clamp(17px, 1.45vw, 20px); line-height: 1.6; max-width: 34em; text-wrap: pretty; }
:lang(zh) h1, :lang(zh) h2 { font-stretch: 100%; letter-spacing: 0; line-height: 1.18; }
:lang(zh) .eyebrow { letter-spacing: .1em; }

.head { margin-bottom: clamp(36px, 5vw, 64px); }
.head--split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 32px 64px; align-items: end; }
.head--center { text-align: center; display: grid; justify-items: center; }
.head--center .lede { margin-top: 22px; }

/* ── buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 26px; border-radius: 999px;
  font-size: 15.5px; font-weight: 650; letter-spacing: .005em; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s, box-shadow .25s, border-color .25s, color .25s;
}
.btn--sm { height: 42px; padding: 0 20px; font-size: 14.5px; }
.btn--primary { background: var(--orange); color: #fff; box-shadow: 0 10px 26px -12px rgba(242, 106, 33, .9); }
.btn--primary:hover { transform: translateY(-2px); background: #FF7A33; box-shadow: 0 16px 32px -12px rgba(242, 106, 33, .95); }
.btn--ghost { color: var(--navy); border: 1px solid var(--line-strong); background: rgba(255, 255, 255, .6); backdrop-filter: blur(6px); }
.btn--ghost:hover { border-color: var(--navy); background: #fff; transform: translateY(-2px); }
.link { display: inline-flex; gap: 6px; font-weight: 650; color: var(--navy); border-bottom: 1.5px solid var(--orange); padding-bottom: 2px; transition: gap .25s var(--ease); }
.link:hover { gap: 10px; }

/* ── reveal ── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: calc(var(--i, 0) * 70ms); }
.reveal.is-in { opacity: 1; transform: none; }

/* ══════════ NAV ══════════ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; gap: 32px;
  height: 84px; padding: 0 var(--gut);
  transition: background .35s, height .35s var(--ease), box-shadow .35s;
}
.nav.is-stuck { height: 72px; background: rgba(250, 248, 245, .82); backdrop-filter: saturate(1.4) blur(18px); box-shadow: 0 1px 0 var(--line); }
.nav__logo img { width: 160px; height: auto; }
.nav__links { display: flex; gap: 6px; margin-left: auto; }
.nav__links a { position: relative; white-space: nowrap; padding: 10px 14px; font-size: 14.5px; font-weight: 580; color: rgba(10, 42, 84, .74); border-radius: 999px; transition: color .2s, background .2s; }
.nav__links a:hover, .nav__links a.is-here { color: var(--navy); background: rgba(10, 42, 84, .07); }
.nav__side { display: flex; align-items: center; gap: 14px; }
.lang { display: flex; padding: 3px; border: 1px solid var(--line-strong); border-radius: 999px; background: rgba(255, 255, 255, .6); }
.lang button { white-space: nowrap; padding: 5px 11px; font-size: 12.5px; font-weight: 650; color: rgba(10, 42, 84, .6); border-radius: 999px; transition: background .2s, color .2s; }
.lang button.is-on { background: var(--navy); color: #fff; }

/* ══════════ HERO ══════════ */
.hero {
  position: relative; isolation: isolate;
  min-height: max(100svh, 780px);
  display: grid; grid-template-rows: auto minmax(340px, 1fr);
  padding-top: clamp(108px, 14vh, 150px);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(56% 42% at 50% 100%, rgba(242, 106, 33, .2), transparent 72%),
    radial-gradient(60% 56% at 12% 0%, #DDE8FA 0%, transparent 62%),
    radial-gradient(54% 50% at 92% 6%, #FFE4D2 0%, transparent 62%),
    linear-gradient(180deg, #FBF9F6 0%, var(--paper) 60%, #FFFFFF 100%);
}
.hero__bg::after { /* paper grain */
  content: ""; position: absolute; inset: 0; opacity: .35; mix-blend-mode: multiply; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .52 0 0 0 0 .5 0 0 0 .22 0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero__beam { position: absolute; top: -20%; width: 46vw; height: 130%; filter: blur(50px); opacity: .9; transform-origin: 50% 0; }
.hero__beam--a { left: 6%; background: linear-gradient(180deg, rgba(255, 255, 255, .95), transparent 74%); clip-path: polygon(42% 0, 58% 0, 100% 100%, 0 100%); animation: sway 13s ease-in-out infinite alternate; }
.hero__beam--b { right: 4%; background: linear-gradient(180deg, rgba(255, 244, 232, .95), transparent 72%); clip-path: polygon(44% 0, 56% 0, 100% 100%, 0 100%); animation: sway 17s ease-in-out infinite alternate-reverse; }
@keyframes sway { from { transform: rotate(-7deg); } to { transform: rotate(8deg); } }
.hero__floor {
  position: absolute; left: -20%; right: -20%; bottom: 0; height: 30%;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .9) 80%),
    repeating-linear-gradient(90deg, rgba(10, 42, 84, .09) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, rgba(10, 42, 84, .09) 0 1px, transparent 1px 84px);
  transform: perspective(520px) rotateX(64deg); transform-origin: 50% 100%;
  mask-image: radial-gradient(60% 100% at 50% 100%, #000 30%, transparent 78%);
}
.hero__bits { position: absolute; inset: 0; pointer-events: none; }
.hero__bits i { position: absolute; bottom: -20px; width: var(--s); height: var(--s); background: var(--c); opacity: 0; animation: rise var(--d) linear var(--w) infinite; }
@keyframes rise {
  0% { transform: translate3d(0, 0, 0); opacity: 0; }
  12% { opacity: var(--o); }
  80% { opacity: var(--o); }
  100% { transform: translate3d(var(--x), -92vh, 0); opacity: 0; }
}

.hero__copy { position: relative; z-index: 3; text-align: center; padding: 0 var(--gut); display: grid; justify-items: center; }
.hero__copy .eyebrow { justify-content: center; }
.hero__title { font-size: clamp(38px, 5.5vw, 82px); max-width: 15em; }
.hero__title em { font-style: normal; background: linear-gradient(92deg, var(--navy) 0%, #B8501F 52%, var(--orange) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__sub { margin-top: 22px; max-width: 43em; font-size: clamp(16px, 1.3vw, 19px); color: var(--ink); text-wrap: pretty; }
.hero__cta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

.hero__stage { position: relative; z-index: 2; min-height: 340px; margin-top: clamp(4px, 2vh, 28px); }
.hero__stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__fallback { position: absolute; inset: auto 0 12% 0; display: flex; justify-content: center; align-items: flex-end; gap: 0; }
.hero__fallback img { width: min(26vw, 360px); margin-inline: -.5vw; }
.hero__fallback img:nth-child(2) { width: min(29vw, 400px); z-index: 2; }
.has-gl .hero__fallback { visibility: hidden; }

.hero__labels { position: absolute; inset: 0; pointer-events: none; }
.tag {
  position: absolute; left: 0; top: 0; transform: translate(-50%, -100%) translateY(6px);
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px 7px 11px;
  font-size: 12.5px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap;
  color: var(--navy); background: rgba(255, 255, 255, .92); border: 1px solid var(--line); border-radius: 999px;
  box-shadow: 0 12px 24px -14px rgba(10, 42, 84, .5);
  backdrop-filter: blur(10px); opacity: 0; transition: opacity .3s, transform .4s var(--ease);
}
.tag i { width: 7px; height: 7px; background: var(--orange); box-shadow: 0 0 0 4px rgba(242, 106, 33, .22); }
.tag.is-on { opacity: 1; transform: translate(-50%, -100%); }

.hero__hint { position: absolute; left: var(--gut); bottom: 22px; z-index: 3; display: flex; align-items: center; gap: 10px; font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: rgba(10, 42, 84, .55); }
.hero__hint-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); animation: ping 2.2s ease-out infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(242, 106, 33, .6); } 100% { box-shadow: 0 0 0 14px rgba(242, 106, 33, 0); } }
@media (hover: none) { .hero__hint { display: none; } }

/* ══════════ TRIO ══════════ */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trio__cell { position: relative; display: grid; grid-template-columns: auto auto 1fr auto; column-gap: 16px; row-gap: 2px; align-items: baseline; padding: 28px clamp(18px, 2.4vw, 40px) 30px; overflow: hidden; transition: background .35s; }
.trio__cell + .trio__cell { border-left: 1px solid var(--line); }
.trio__cell::before { content: ""; position: absolute; inset: auto 0 0 0; height: 3px; background: var(--orange); transform: scaleX(0); transform-origin: 0 50%; transition: transform .5s var(--ease); }
.trio__cell:hover { background: #FFFAF5; }
.trio__cell:hover::before { transform: scaleX(1); }
.trio__prop { grid-row: span 2; align-self: center; width: 86px; margin: -12px 0 -12px -8px; filter: drop-shadow(0 12px 12px rgba(10, 42, 84, .2)); transition: transform .5s var(--ease); }
.trio__cell:hover .trio__prop { transform: translateY(-6px) rotate(-6deg) scale(1.08); }
.trio__no { grid-row: span 2; align-self: start; font-size: 13px; font-weight: 700; letter-spacing: .12em; color: var(--orange); padding-top: 7px; }
.trio__name { font-size: clamp(20px, 2vw, 27px); font-weight: 700; font-stretch: 88%; letter-spacing: -.01em; color: var(--navy); }
.trio__line { grid-column: 3; font-size: 14.5px; color: var(--ink-soft); }
.trio__arrow { grid-row: 1 / span 2; grid-column: 4; align-self: center; font-size: 22px; color: rgba(10, 42, 84, .4); transition: transform .35s var(--ease), color .3s; }
.trio__cell:hover .trio__arrow { transform: translateX(6px); color: var(--orange); }

/* ══════════ BUSINESS SECTIONS (shared) ══════════ */
.biz { position: relative; padding: clamp(84px, 11vw, 160px) 0; overflow: hidden; }
.biz__grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(28px, 6vw, 96px); align-items: center; }
.biz__grid--flip { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); }
.biz__copy .lede { margin-top: 22px; }
.feats { margin-top: 38px; display: grid; gap: 0; }
.feats li { padding: 20px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 15em) 1fr; gap: 6px 28px; align-items: baseline; }
.feats li:last-child { border-bottom: 1px solid var(--line); }
.feats p { font-size: 15.5px; }
.biz__cta { margin-top: 30px; }

.plinth { position: relative; isolation: isolate; aspect-ratio: 1; width: min(100%, 560px); margin-inline: auto; }
.plinth canvas { position: absolute; inset: -8%; width: 116%; height: 116%; }
.plinth__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.has-gl .plinth.is-live .plinth__img { visibility: hidden; }
.plinth::before { /* soft glow behind the object */
  content: ""; position: absolute; inset: 4% 4% 8%; border-radius: 50%; z-index: -1;
  background: radial-gradient(closest-side, rgba(242, 106, 33, .2), rgba(242, 106, 33, 0) 72%);
}
.plinth__ring { position: absolute; left: 8%; right: 8%; bottom: 1%; height: 15%; border-radius: 50%; z-index: -1;
  border: 1px solid rgba(10, 42, 84, .16);
  background: radial-gradient(closest-side, rgba(10, 42, 84, .1), transparent);
}
.plinth__ring::after { content: ""; position: absolute; inset: -24% -9%; border-radius: 50%; border: 1px dashed rgba(10, 42, 84, .22); animation: ring 5s ease-in-out infinite; }
@keyframes ring { 50% { transform: scale(1.05); opacity: .45; } }
.plinth__prop { position: absolute; width: 30%; bottom: 2%; z-index: 2; filter: drop-shadow(0 16px 16px rgba(10, 42, 84, .25)); animation: hover-prop 6s ease-in-out infinite; }
.plinth__prop--r { right: -4%; }
.plinth__prop--l { left: -6%; animation-delay: -2.4s; }
@keyframes hover-prop { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-14px) rotate(3deg); } }
.plinth--bare::before { display: none; }
.plinth--sm { width: 210px; flex: none; }
.plinth--sm::before { inset: 0; background: radial-gradient(closest-side, rgba(10, 42, 84, .08), transparent 72%); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 8px 14px; font-size: 13.5px; font-weight: 600; color: var(--navy); background: #fff; border: 1px solid var(--line); border-radius: 999px; }

/* ══════════ 01 TOYS ══════════ */
.biz--toys { background: linear-gradient(180deg, var(--paper) 0%, #fff 46%, var(--paper) 100%); padding-bottom: clamp(70px, 8vw, 120px); }
.series { margin-top: clamp(64px, 8vw, 110px); }
.series__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; margin-bottom: 26px; }
.series__head h3 { font-size: clamp(22px, 2.2vw, 30px); font-weight: 720; font-stretch: 88%; }
.series__head p { font-size: 14px; color: var(--ink-soft); }
.rail { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.rail__track { display: flex; gap: 20px; width: max-content; padding: 6px 0 26px; animation: marquee 56s linear infinite; }
.rail:hover .rail__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(calc(-50% - 10px)); } }
.set { width: min(78vw, 600px); flex: none; padding: 22px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.set header { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; margin-bottom: 14px; }
.set h4 { margin: 0; font-size: 21px; font-weight: 720; font-stretch: 88%; color: var(--navy); }
.set header span { font-size: 13px; font-weight: 600; letter-spacing: .04em; color: var(--orange); }
.set__figs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.set__figs img { border-radius: 14px; background: #fff; aspect-ratio: 1; object-fit: cover; transition: transform .5s var(--ease); }
.set__figs img:hover { transform: translateY(-6px) scale(1.04); }
.engine { margin-top: 30px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; }
.engine__label { font-size: 12.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--navy); }
.engine__steps { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; counter-reset: e; }
.engine__steps li { counter-increment: e; display: flex; align-items: center; gap: 8px; font-size: 14.5px; font-weight: 600; color: var(--navy); }
.engine__steps li::before { content: counter(e, decimal-leading-zero); font-size: 11px; font-weight: 700; color: var(--orange); }
.engine__steps li + li { padding-left: 14px; border-left: 1px solid var(--line); }
.engine__note { font-size: 13px; color: var(--ink-soft); }
.engine .link { margin-left: auto; }

/* ══════════ 02 GIFTS ══════════ */
.biz--gifts { background: radial-gradient(70% 50% at 84% 8%, #FFE9DA 0%, transparent 70%), linear-gradient(180deg, #FFF8F2 0%, #fff 60%, var(--paper) 100%); }
.gifts__ribbon { position: absolute; top: 0; bottom: 0; left: clamp(14px, 3.4vw, 54px); width: 10px; background: linear-gradient(180deg, var(--orange), var(--orange-deep)); box-shadow: 0 0 30px rgba(242, 106, 33, .25); transform-origin: 50% 0; transform: scaleY(var(--p, 0)); }
.gifts__ribbon::after { content: ""; position: absolute; inset: 0 3px; border-left: 1px solid rgba(255, 255, 255, .45); }
.steps { margin-top: 36px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
.steps li { position: relative; padding: 16px 14px 18px; display: grid; gap: 6px; font-size: 15.5px; font-weight: 650; color: var(--navy); transition: background .4s; }
.steps li + li { border-left: 1px solid var(--line); }
.steps li b { font-size: 11.5px; font-weight: 700; letter-spacing: .12em; color: var(--orange); }
.steps li.is-now { background: var(--peach); }
.steps li::after { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--orange); transform: scaleX(0); transform-origin: 0 50%; }
.steps li.is-now::after { transform: scaleX(1); transition: transform 2.2s linear; }
.quote { margin-top: 26px; font-size: clamp(19px, 1.8vw, 24px); font-weight: 600; font-stretch: 90%; color: var(--navy); }
.sub { margin: clamp(70px, 8vw, 110px) 0 26px; font-size: clamp(22px, 2.2vw, 30px); font-weight: 720; font-stretch: 88%; }
.worlds { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.worlds li { position: relative; padding: 22px 20px 24px; border-radius: 18px; background: #fff; border: 1px solid var(--line); overflow: hidden; transition: transform .45s var(--ease), box-shadow .45s, border-color .35s, opacity .8s var(--ease); }
.worlds li::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--orange); transform: scaleX(0); transform-origin: 0 50%; transition: transform .45s var(--ease); }
.worlds li:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(242, 106, 33, .4); }
.worlds li:hover::before { transform: scaleX(1); }
.worlds svg { width: 30px; height: 30px; fill: none; stroke: var(--orange); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 26px; }
.worlds h4 { margin: 0 0 6px; font-size: 16.5px; font-weight: 680; line-height: 1.25; color: var(--navy); }
.worlds p { font-size: 13.5px; line-height: 1.5; color: var(--ink-soft); }
.apply { margin-top: 22px; padding: clamp(24px, 3vw, 40px); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 24px 48px; align-items: center; border-radius: 22px; background: var(--sky); }
.apply h3 { font-size: clamp(21px, 2vw, 27px); font-weight: 720; font-stretch: 88%; margin-bottom: 8px; }
.apply p { font-size: 15.5px; }

/* ══════════ 03 AI ══════════ */
.biz--ai { background: #fff; }
.ai__grid { position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(46% 36% at 50% 36%, rgba(242, 106, 33, .13), transparent 70%),
    radial-gradient(60% 50% at 50% 30%, var(--sky), transparent 72%),
    linear-gradient(rgba(10, 42, 84, .06) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, rgba(10, 42, 84, .06) 1px, transparent 1px) 0 0 / 56px 56px;
  mask-image: radial-gradient(80% 60% at 50% 36%, #000 20%, transparent 82%);
}
.biz--ai .wrap { position: relative; }

.loop { position: relative; width: min(100%, 760px); aspect-ratio: 1; margin: 10px auto 0; }
.loop__ring { position: absolute; inset: 9%; }
.loop__ring svg { width: 100%; height: 100%; overflow: visible; }
.loop__track { fill: none; stroke: rgba(10, 42, 84, .14); stroke-width: 1.2; }
.loop__dash { fill: none; stroke: var(--orange); stroke-width: 1.8; stroke-dasharray: 2 12; stroke-linecap: round; opacity: .8; transform-origin: 50% 50%; animation: spin 60s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loop__pulse { position: absolute; inset: 8.33%; }
.loop__pulse i { position: absolute; left: 50%; top: 0; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px rgba(242, 106, 33, .22), 0 0 26px 8px rgba(242, 106, 33, .5); }
.loop__core { position: absolute; inset: 25%; display: grid; place-items: center; }
.loop__core::before { content: ""; position: absolute; inset: -6%; border-radius: 50%; background: radial-gradient(closest-side, rgba(242, 106, 33, .2), rgba(233, 239, 248, .7) 60%, transparent 76%); }
.loop__core .plinth { width: 100%; }
.loop__nodes li {
  position: absolute; left: calc(50% + var(--x) * 41.67%); top: calc(50% + var(--y) * 41.67%);
  transform: translate(-50%, -50%); width: 132px; padding: 10px 8px 12px; text-align: center;
  display: grid; gap: 1px; justify-items: center; border-radius: 16px;
  background: #fff; border: 1px solid var(--line); box-shadow: 0 18px 30px -24px rgba(10, 42, 84, .5);
  transition: border-color .4s, background .4s, transform .5s var(--ease), box-shadow .4s;
}
.loop__nodes b { font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--orange); }
.loop__nodes strong { font-size: 17px; font-weight: 700; font-stretch: 88%; color: var(--navy); letter-spacing: .01em; }
.loop__nodes span { font-size: 12px; color: var(--ink-soft); line-height: 1.3; }
.loop__nodes li.is-now { background: var(--orange); border-color: var(--orange); transform: translate(-50%, -50%) scale(1.09); box-shadow: 0 18px 40px -12px rgba(242, 106, 33, .7); }
.loop__nodes li.is-now b, .loop__nodes li.is-now strong, .loop__nodes li.is-now span { color: #fff; }
.loop__caption { position: absolute; left: 50%; bottom: -4%; transform: translate(-50%, 100%); width: min(100%, 36em); text-align: center; font-size: 15px; color: var(--ink-soft); }

.office { margin-top: clamp(130px, 13vw, 170px); border-radius: 22px; border: 1px solid var(--line); background: #fff; overflow: hidden; box-shadow: 0 50px 80px -56px rgba(10, 42, 84, .55); }
.office__bar { display: flex; align-items: center; gap: 14px; padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--paper); font-size: 14px; }
.office__dots { display: flex; gap: 6px; }
.office__dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(10, 42, 84, .16); }
.office__bar strong { color: var(--navy); font-weight: 680; letter-spacing: .01em; white-space: nowrap; }
.office__live { display: inline-flex; align-items: center; white-space: nowrap; gap: 8px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.office__live i { width: 7px; height: 7px; border-radius: 50%; background: #22A559; animation: ping-g 2s ease-out infinite; }
@keyframes ping-g { 0% { box-shadow: 0 0 0 0 rgba(34, 165, 89, .5); } 100% { box-shadow: 0 0 0 10px rgba(34, 165, 89, 0); } }
.office__bar em { margin-left: auto; font-style: normal; font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); border: 1px solid var(--line-strong); padding: 3px 9px; border-radius: 999px; }
.office__lanes { display: grid; grid-template-columns: repeat(4, 1fr); }
.lane { padding: 20px 18px 22px; min-height: 290px; }
.lane + .lane { border-left: 1px solid var(--line); }
.lane h4 { margin: 0 0 2px; font-size: 15.5px; font-weight: 680; color: var(--navy); }
.lane > p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.4; min-height: 2.8em; }
.lane ul { margin-top: 14px; display: grid; gap: 8px; }
.lane li { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; align-items: center; padding: 10px 12px; border-radius: 12px; background: var(--paper); border: 1px solid rgba(10, 42, 84, .06); font-size: 13.5px; color: var(--navy); animation: row-in .6s var(--ease) both; }
.lane li small { grid-column: 1; font-size: 11.5px; color: var(--ink-soft); }
.lane li mark { grid-row: 1 / span 2; grid-column: 2; padding: 3px 8px; border-radius: 999px; font-size: 10.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #15733C; background: #DDF3E5; }
.lane--approve li { border-color: rgba(242, 106, 33, .5); background: var(--peach); }
.lane--approve li mark { color: #A8400B; background: #FFD3B8; }
.lane li.is-out { animation: row-out .45s var(--ease) both; }
@keyframes row-in { from { opacity: 0; transform: translateY(-10px) scale(.98); } }
@keyframes row-out { to { opacity: 0; transform: translateY(10px) scale(.98); } }

.agents { margin-top: clamp(56px, 7vw, 96px); display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.agent { display: flex; align-items: center; gap: 12px 26px; padding: 26px 30px 26px 14px; border-radius: 22px; border: 1px solid var(--line); background: var(--paper); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.agent h3 { font-size: 20px; font-weight: 700; font-stretch: 90%; margin-bottom: 8px; }
.agent p { font-size: 15px; margin-bottom: 16px; }
.agent .chips li { padding: 6px 12px; font-size: 12.5px; }

.score { margin-top: 20px; display: flex; align-items: center; gap: clamp(20px, 4vw, 56px); padding: clamp(26px, 3.4vw, 44px) clamp(24px, 4vw, 56px); border-radius: 22px; background: linear-gradient(100deg, #FF8A45 0%, var(--orange) 55%, #E85C14 100%); color: #fff; box-shadow: 0 40px 60px -44px rgba(242, 106, 33, .9); }
.score__num { flex: none; font-size: clamp(64px, 9vw, 128px); font-weight: 800; font-stretch: 78%; line-height: .9; letter-spacing: -.03em; color: #fff; }
.score__num small { font-size: .32em; font-weight: 650; letter-spacing: 0; opacity: .85; margin-left: 6px; }
.score h3 { color: #fff; font-size: clamp(20px, 2vw, 26px); margin-bottom: 6px; }
.score div p { font-size: 15.5px; max-width: 36em; }

/* ══════════ WORK ══════════ */
.work { background: var(--paper); padding: clamp(84px, 11vw, 150px) 0; }
.cases { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.case { grid-column: span 2; padding: 26px 26px 30px; border-radius: 20px; background: #fff; border: 1px solid var(--line); display: grid; align-content: start; gap: 12px; transition: transform .45s var(--ease), box-shadow .45s, opacity .8s var(--ease); }
.case:nth-child(-n+2) { grid-column: span 3; background: linear-gradient(140deg, #fff 0%, var(--peach) 100%); border-color: rgba(242, 106, 33, .28); }
.case:nth-child(-n+2) h3 { font-size: clamp(22px, 2.3vw, 30px); }
.case:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.case h3 { font-size: 21px; font-weight: 720; font-stretch: 88%; }
.case p { font-size: 15px; }
.case__tag { justify-self: start; padding: 4px 11px; border-radius: 999px; font-size: 11.5px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--navy); background: rgba(10, 42, 84, .08); }
.case__tag--done { color: #fff; background: var(--orange); }

/* ══════════ FOUNDATION ══════════ */
.base { background: #fff; padding: clamp(80px, 10vw, 140px) 0; border-top: 1px solid var(--line); }
.base__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 40px 80px; align-items: start; }
.base__list li { padding: 22px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 13em) 1fr; gap: 6px 28px; }
.base__list li:last-child { border-bottom: 1px solid var(--line); }
.base__list p { font-size: 15.5px; }

/* ══════════ CONTACT ══════════ */
.contact { position: relative; isolation: isolate; overflow: hidden; padding: clamp(90px, 12vw, 170px) 0 0;
  background:
    radial-gradient(60% 46% at 50% 100%, rgba(242, 106, 33, .24), transparent 72%),
    radial-gradient(60% 50% at 10% 0%, #DDE8FA 0%, transparent 64%),
    radial-gradient(50% 44% at 92% 10%, #FFE4D2 0%, transparent 64%),
    var(--paper);
}
.contact__inner { display: grid; justify-items: center; text-align: center; }
.contact h2 { font-size: clamp(40px, 6.4vw, 96px); }
.programs { margin-top: 44px; display: grid; grid-template-columns: repeat(2, minmax(0, 320px)); gap: 12px; }
.programs a { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 22px; border-radius: 16px; font-weight: 620; font-size: 16px; text-align: left; color: var(--navy); border: 1px solid var(--line); background: rgba(255, 255, 255, .86); box-shadow: 0 20px 30px -28px rgba(10, 42, 84, .6); transition: background .3s, border-color .3s, color .3s, transform .35s var(--ease); }
.programs a i { font-style: normal; color: var(--orange); transition: transform .35s var(--ease), color .3s; }
.programs a:hover { background: var(--orange); border-color: var(--orange); color: #fff; transform: translateY(-3px); }
.programs a:hover i { color: #fff; transform: translateX(5px); }
.contact__mail { margin-top: 34px; font-size: clamp(20px, 2.2vw, 28px); font-weight: 600; color: var(--navy); border-bottom: 2px solid var(--orange); padding-bottom: 4px; }
.contact__objects { display: flex; justify-content: center; align-items: flex-end; margin-top: clamp(30px, 5vw, 64px); margin-bottom: -3%; }
.contact__objects img { width: min(24vw, 300px); margin-inline: 1vw; filter: drop-shadow(0 20px 24px rgba(10, 42, 84, .18)); animation: bob 5s ease-in-out infinite; animation-delay: calc(var(--n) * -1.1s); }
.contact__objects img:nth-child(1) { --n: 0; } .contact__objects img:nth-child(2) { --n: 1.6; width: min(27vw, 340px); z-index: 2; } .contact__objects img:nth-child(3) { --n: 3.1; }
@keyframes bob { 50% { transform: translateY(-12px); } }

.foot { position: relative; z-index: 3; background: #fff; color: var(--ink-soft); border-top: 1px solid var(--line); padding: 34px 0 40px; font-size: 13.5px; }
.foot__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 32px; }
.foot__inner img { width: 160px; height: auto; }
.foot__small { margin-left: auto; }
.foot a { border-bottom: 1px solid var(--line-strong); }

/* ══════════ responsive ══════════ */
@media (max-width: 1100px) {
  .worlds { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .office__lanes { grid-template-columns: repeat(2, 1fr); }
  .lane:nth-child(3) { border-left: 0; }
  .lane:nth-child(n+3) { border-top: 1px solid var(--line); }
  .agents { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__side { margin-left: auto; }
  .head--split, .biz__grid, .biz__grid--flip, .base__grid, .apply { grid-template-columns: 1fr; }
  .biz__grid--flip .biz__figure { order: -1; }
  .plinth { width: min(86%, 440px); }
  .plinth--sm { width: 190px; }
  .trio { grid-template-columns: 1fr; }
  .trio__cell + .trio__cell { border-left: 0; border-top: 1px solid var(--line); }
  .cases { grid-template-columns: 1fr 1fr; }
  .case { grid-column: span 1; }
  .case:nth-child(-n+2) { grid-column: span 2; }
  .engine .link { margin-left: 0; }
  .loop { aspect-ratio: auto; width: 100%; display: grid; gap: 10px; }
  .loop__ring, .loop__pulse { display: none; }
  .loop__core { position: relative; inset: auto; width: min(70%, 320px); margin: 0 auto 6px; }
  .loop__nodes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .loop__nodes li { position: static; transform: none; width: auto; grid-template-columns: auto 1fr; justify-items: start; text-align: left; column-gap: 10px; padding: 12px 14px; }
  .loop__nodes li b { grid-row: span 2; align-self: center; }
  .loop__nodes li.is-now { transform: none; }
  .loop__nodes li:last-child { grid-column: span 2; }
  .loop__caption { position: static; transform: none; margin-top: 14px; }
  .office { margin-top: 56px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav { height: 68px; gap: 12px; }
  .nav .btn { display: none; }
  .hero { min-height: max(100svh, 680px); padding-top: 86px; grid-template-rows: auto minmax(300px, 1fr); }
  .hero__title { font-size: clamp(31px, 9.4vw, 40px); }
  .hero__sub { margin-top: 14px; font-size: 15px; line-height: 1.5; }
  .hero__cta { margin-top: 20px; gap: 8px; flex-wrap: nowrap; }
  .hero__cta .btn { height: 46px; padding: 0 16px; font-size: 14px; }
  .hero__stage { min-height: 300px; margin-top: 0; }
  .feats li, .base__list li { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(odd) { border-left: 0; }
  .steps li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .steps li:last-child { grid-column: span 2; }
  .worlds { grid-template-columns: 1fr 1fr; gap: 8px; }
  .worlds li { padding: 16px 14px 18px; }
  .worlds svg { margin-bottom: 14px; }
  .set__figs { grid-template-columns: repeat(2, 1fr); }
  .office__lanes { grid-template-columns: 1fr; }
  .office__dots { display: none; }
  .office__bar { gap: 10px; padding: 12px 16px; }
  .lane { min-height: 0; }
  .lane + .lane { border-left: 0; border-top: 1px solid var(--line); }
  .agent { flex-direction: column; align-items: flex-start; padding: 18px 22px 26px; }
  .plinth--sm { width: 160px; }
  .score { flex-direction: column; align-items: flex-start; }
  .cases { grid-template-columns: 1fr; }
  .case:nth-child(-n+2) { grid-column: span 1; }
  .programs { grid-template-columns: 1fr; width: 100%; }
  .contact__objects img { width: 30vw; margin-inline: 0; }
  .contact__objects img:nth-child(2) { width: 34vw; }
  .foot__small { margin-left: 0; }
  .gifts__ribbon { width: 5px; left: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
  .reveal { opacity: 1; transform: none; }
  .rail { overflow-x: auto; }
  .rail__track { animation: none; }
}